The Battery Product Development team at Apple produces high-energy and highly reliable embedded battery systems for all product teams. As a Product Design Engineer in the Battery Cell Product Design Group, you'll be responsible for the mechanical engineering design of battery cells that are integrated into battery modules and products. You'll work closely with Product Development, Operations, Industrial Design, and Reliability Testing groups, owning battery module development from initial system architecture through ramp. The role involves creating innovative mechanical designs, conducting validation activities, and driving failure analyses to improve overall functionality. You'll collaborate with multi-functional teams to develop cell mechanical requirements, conduct design reviews, and ensure product excellence. This position offers the opportunity to work on cutting-edge battery technologies that continually push the boundaries of what's possible, directly impacting Apple's product experience for customers worldwide. The role combines technical expertise with creative problem-solving, requiring both attention to detail and the ability to work effectively across different teams and disciplines.